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The DuraSafe Universal Coupler Lock features 1/8" incremental adjustments to easily fit every coupler on the market (1/2" to 3 3/8".) This lock features reversible keys for easy insertion and a fail-safe locking system that won’t allow the key to be removed unless in the locked position.

Fits every coupler on the market from ½" to 3 3/8" and any size in between

Revolutionary design replaces the standard coupler lock that has a fixed width

Takes the guesswork out of having to know what width coupler lock you need because it fits everything

Lock slides back and forth along pin for ease of use

1/8" incremental adjustments allows for snug fit

18 different positions available to accommodate every coupler on the market